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Release R.1.3 UK

45

gis

Topics covered in this chapter:
•

•

•

When running, the appliance has four basic operating modes, namely:

OFF

In this mode, the frost protection is activated. 

 shows the display 

with the following information:
-

line one: the text 

OFF

;

-

line two: the time, the day and alternately T

1 

and T

net

. See paragraph 

-

lines three and four: the text 

FROST PROTECTION ACTIVATED

.

ON

In this mode the appliance continuously fulfils the demand for hot water. 

 shows the display with the following information:

-

line one: the text ON;

-

line two: the time, the day and alternately T

1 

and T

net

. See paragraph 

-

line three: the programmed water temperature T

set

;

-

line four: is empty when the appliance is idle, or depending on the 
heating cycle, a text such as 

HEAT DEMAND

. See 

.

EXTRA

In this mode, one extra period is programmed and activated. In this mode, 
the 

OFF

 or 

PROG

 position is temporarily overruled to fulfil a single period of 

heat demand. Once the period has passed, the appliance automatically 
returns to the previous operating mode. 

 shows the display with 

the following information:
-

line one: the text 

EXTRA

;

-

line two: the time, the day and alternately T

1 

and T

net

. See paragraph 

-

line three: the switch-on time, and the related water temperature 
setting;

-

line four: the text 

PERIOD ACTIVATED

.

PROG

In this mode a preset week program is active, and the appliance responds 
continually to heat demand within the time periods set in the week program. 
There are two distinct situations possible in this mode:

OFF

13:45 Thursday

6ÉC

FROST PROTECTION

ACTIVATED

Figure 6.1 Frost protection

ON

13:45 Thursday

67ÉC

           Tset 75ÉC

Figure 6.2 ON

 

EXTRA

12:30 Thursday

76ÉC

TH 12:45   Tset 75ÉC

PERIOD ACTIVATED

Figure 6.3 Extra period

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